sb/intel/i82801dx: Improve LPC device early init

Make the implementation more similar to i82801gx, enabling
ACPI PM and GPIO register spaces already in bootblock.

Change-Id: I41ad8622801dbbadafdc37359d521eed42256e63
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69671
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/southbridge/intel/i82801dx/Makefile.inc b/src/southbridge/intel/i82801dx/Makefile.inc
index c352e3e..be17cf9 100644
--- a/src/southbridge/intel/i82801dx/Makefile.inc
+++ b/src/southbridge/intel/i82801dx/Makefile.inc
@@ -2,6 +2,11 @@
 
 ifeq ($(CONFIG_SOUTHBRIDGE_INTEL_I82801DX),y)
 
+bootblock-y += bootblock.c
+bootblock-y += early_init.c
+
+romstage-y += early_init.c
+
 ramstage-y += i82801dx.c
 ramstage-y += ac97.c
 ramstage-y += fadt.c
@@ -10,8 +15,4 @@
 ramstage-y += usb.c
 ramstage-y += usb2.c
 
-romstage-y += early_smbus.c
-
-bootblock-y += bootblock.c
-
 endif